f7f6dfb4d4
- Update to version 1.10.7 * https://support.hdfgroup.org/ftp/HDF5/releases/hdf5-1.10/hdf5-1.10.6/src/hdf5-1.10.6-RELEASE.txt * https://support.hdfgroup.org/ftp/HDF5/releases/hdf5-1.10/hdf5-1.10.7/src/hdf5-1.10.7-RELEASE.txt - Security bugs fixed: * CVE-2018-13870: heap-based buffer over-read in the function H5O_link_decode in H5Olink.c (bsc#1101493) * CVE-2018-13869: memcpy parameter overlap in the function H5O_link_decode in H5Olink.c (bsc#1101495) * CVE-2018-17438: A SIGFPE signal is raised in the function H5D__select_io() of H5Dselect.c in the HDF HDF5 through 1.10.3 library during an attempted parse of a crafted HDF file, because of incorrect protection against division (bsc#1109570) * CVE-2018-17435: A heap-based buffer over-read in H5O_attr_decode() in H5Oattr.c in the HDF HDF5 through 1.10.3 library allows attackers to cause a denial of service via a crafted HDF5 file. (bsc#1109567) - Refresh patches - Security bugs fixed: * CVE-2018-17233: A SIGFPE signal is raised in the function H5D__create_chunk_file_map_hyper. (bsc#1109166) * CVE-2018-17434: Memory leak in the H5O__chunk_deserialize() function in H5Ocache.c (bsc#1109167) * CVE-2018-17437: A SIGFPE signal is raised in the function H5D__chunk_set_info_real. (bsc#1109168) - Security bugs fixed: * CVE-2017-17505: NULL pointer dereference in the function H5O_pline_decode allowing for DoS via crafted file (bsc#1072087) * CVE-2017-17506: Out of bounds read in the function OBS-URL: https://build.opensuse.org/request/show/848496 OBS-URL: https://build.opensuse.org/package/show/science/hdf5?expand=0&rev=139
92 lines
4.0 KiB
Diff
92 lines
4.0 KiB
Diff
From: Egbert Eich <eich@suse.com>
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Date: Tue Nov 7 14:16:53 2017 +0100
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Subject: [PATCH]PPC64LE: Fix long double handling
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Git-commit: ad6559a71b7ba3cacb4b56d4747db63f28a12f55
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References:
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Signed-off-by: Egbert Eich <eich@suse.com>
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Signed-off-by: Egbert Eich <eich@suse.com>
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---
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hdf5-1.10.1/config/cmake/ConversionTests.c | 16 ++++++++++++++++
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hdf5-1.10.1/test/dt_arith.c | 26 ++++++++++++++++++++++++--
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2 files changed, 40 insertions(+), 2 deletions(-)
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Index: hdf5-1.10.7/config/cmake/ConversionTests.c
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===================================================================
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--- hdf5-1.10.7.orig/config/cmake/ConversionTests.c
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+++ hdf5-1.10.7/config/cmake/ConversionTests.c
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@@ -34,6 +34,14 @@ int HDF_NO_UBSAN main(void)
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unsigned char s2[8];
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int ret = 1;
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+#if defined __powerpc64__ && defined _LITTLE_ENDIAN
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+ /* Don't bother checking on ppc64le, we know it'll work, and
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+ that what hdf5 calls 'special algorithm' simply is
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+ IBM ldouble 128 (i.e. two seperately scaled doubles).
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+ The check below assumes big endian. */
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+ ret = 0;
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+#endif
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+
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if(sizeof(long double) == 16 && sizeof(long) == 8) {
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/*make sure the long double type has 16 bytes in size and
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* 11 bits of exponent. If it is,
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@@ -157,6 +165,14 @@ int HDF_NO_UBSAN main(void)
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unsigned char s[16];
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int ret = 0;
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+#if defined __powerpc64__ && defined _LITTLE_ENDIAN
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+ /* Don't bother checking on ppc64le, we know it'll work, and
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+ that what hdf5 calls 'special algorithm' simply is
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+ IBM ldouble 128 (i.e. two seperately scaled doubles).
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+ The check below assumes big endian. */
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+ ret = 0;
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+#endif
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+
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if(sizeof(long double) == 16) {
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/*make sure the long double type is the same as the failing type
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*which has 16 bytes in size and 11 bits of exponent. If it is,
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Index: hdf5-1.10.7/test/dt_arith.c
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===================================================================
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--- hdf5-1.10.7.orig/test/dt_arith.c
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+++ hdf5-1.10.7/test/dt_arith.c
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@@ -3045,7 +3045,18 @@ test_conv_flt_1 (const char *name, int r
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buf, saved, nelmts);
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#if H5_SIZEOF_LONG_DOUBLE!=H5_SIZEOF_DOUBLE && H5_SIZEOF_LONG_DOUBLE!=0
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} else if(src_type == FLT_LDOUBLE) {
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- INIT_FP_SPECIAL(src_size, src_nbits, sendian, LDBL_MANT_DIG, dst_size,
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+ size_t mant_dig = LDBL_MANT_DIG;
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+ if (mant_dig >= src_nbits) {
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+ /* This happens for IBM long double in little endian.
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+ The macro LDBL_MANT_DIG says 106 mantissa bits, but the
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+ HDF5 detection code actually represents it as a normal 64bit
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+ double (52 bit mantissa) with the upper double being
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+ unspec bits (which is sort of okay as the testsuite
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+ wouldn't deal with that format correctly anyway). So
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+ override the mantissa size. */
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+ mant_dig = 52;
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+ }
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+ INIT_FP_SPECIAL(src_size, src_nbits, sendian, mant_dig, dst_size,
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buf, saved, nelmts);
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#endif
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} else
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@@ -3705,7 +3716,18 @@ test_conv_int_fp(const char *name, int r
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INIT_FP_DENORM(long double, LDBL_MANT_DIG, src_size, src_nbits, sendian, dst_size,
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buf, saved, nelmts);
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} else {
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- INIT_FP_SPECIAL(src_size, src_nbits, sendian, LDBL_MANT_DIG, dst_size, buf, saved, nelmts);
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+ size_t mant_dig = LDBL_MANT_DIG;
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+ if (mant_dig >= src_nbits) {
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+ /* This happens for IBM long double in little endian.
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+ The macro LDBL_MANT_DIG says 106 mantissa bits, but the
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+ HDF5 detection code actually represents it as a normal 64bit
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+ double (52 bit mantissa) with the upper double being
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+ unspec bits (which is sort of okay as the testsuite
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+ wouldn't deal with that format correctly anyway). So
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+ override the mantissa size. */
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+ mant_dig = 52;
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+ }
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+ INIT_FP_SPECIAL(src_size, src_nbits, sendian, mant_dig, dst_size, buf, saved, nelmts);
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}
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#endif
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} else
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